How to lubricate the sewing machine

(1) Lubricating parts: the oil holes on the machine head, the lubricating upper shaft and the parts connected to the upper shaft; the parts in the panel and the movable parts connected to each part; the lubricating foot bar and the needle bar and the parts connected to it; Wipe the movable parts of the lower part of the board and add less oil.
(2) Matters needing attention in maintaining the sewing machine: After the work is completed, insert the needle into the needle hole plate, raise the presser foot, and cover the machine head with a machine cover to prevent dust intrusion; when starting work, check the main machine first. What is the weight of the pedal, whether there is a special sound, whether the needle is normal, etc.
If an abnormal phenomenon is found, it should be overhauled in time; after the machine has been used for a long time, a major repair should be carried out. If a worn part is found, it should be replaced with a new one.